Almost no religion is developed in a vacuum, and the Mediterranean region was a hotbed of religions before and during Christ's time. Ideas such as a virgin mother, physical incarnation of the god as a pure being, the god dying and being resurrected, a betrayer close at hand, etc., had already been done.
By what historical source may I check out your "ideas"?
What's extremely interesting is the fact that the Bible had prophecied all the events you've referred to hundreds of years earlier, then fullfilled all them -- complete with eye witnesses...
Now if you are looking for CNN or Fox News to have also witnessed such events, and interviewed said "witnesses", it must be admitted they weren't a source.